nav{
    background-color: #5bc0de;
}
#head{
    padding-top: 10px;
    padding-bottom: 20px;
}
form{
    border:#2aabd2 solid 2px;
    border-radius: 5%;
    padding: 20px;
    background-color: #5bc0de;
    width: 370px;
    height: 280px;
}
section{
    width: 100%;
    height: 515px;
    background-image: url("../image/caochang.jpg");
    background-repeat:no-repeat;
    background-size: 100% 100%;
}
nav{
    background-color: #5bc0de;
}
.well{
    background-color: #D3D3D3;
    margin-top: 4px;
    margin-bottom: 0;
}


#selectorsup{

    width: 100px;
    height: 27px;
}#selector{

    width: 100px;
    height: 27px;
}
#btn-scrap{
    width: 120px;
    height: 40px;
    border-radius: 12px;

}

